Seasons 1-2 Manhattan is often said to be the economic and cultural center of the United States and hosts the United Nations Headquarters.Anchored by Wall Street in the Financial District of Lower Manhattan, New York City has been called both the most economically powerful city and the leading financial center of the world, and Manhattan is home to the world's two largest stock exchanges by total market capitalization: the New York Stock Exchange and NASDAQ.Many multinational media conglomerates are based in the borough.Seasons 1-2 ManhattanHistorically documented to have been purchased by Dutch colonists from Native Americans in 1626, for the equivalent of US$1050,Manhattan real estate has since become among the most expensive in the world, with the value of Manhattan Island, including real estate, estimated to exceed US$3 trillion in 2013.